Quilting machine



(No ModeL). 3 Sheets-Sheet 1`. M. KOCH. QUILTING MACHINE..

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No. 420,276.- Patented Jan. 28', 189.0.

N. PETERS, Plmto-hthogmpher, Washingion. EC

3 Sheets-Sheet 3.

v(No Model.)

M. KOCH. QUILTING MACHINE.

YPatmtedJani. 28, 1890.

n. PETERS, Plwlomhagnpner. whingtun. 0 C.

UNITED STATES PATENT OEEICE.

MATTHIAS KOCH, OF NEIV YORK, N. Y., ASSIGNOR TO LOUIS SOIIUIJTZ, OF

Y SAME PLACE.

QUILT-iNe-MAGHINE.

SPECIFICATION forming part of Letters Patent No. 420,276, dated January 28, 1890.

Application filed November 20, 1888. Serial No. 291,320. (No model.) l

T0 all whom it may concern-.-

Beit known that I, MATTHIAS KOCH, of New York, in the county and State of New York, have invented a certain new and useful Improvement in Quilting-Machines, of which the following is a specification.

I will describe aquilting-machine embodying my improvement, and then point out the novel features in the claims.

In the accompanying drawings, Figure 1 is a plan or top view of a quilting-machine embodying the improvement. Fig. 2 is a side elevation of the same. Fig. 3 is an elevation of the machine, taken in a plane at right angles to that in which Fig. 2 is taken. Fig. 4 is a sectional elevation on the plane of the dotted line Fig. l. Fig. 5 is a sectional elevation taken, as indicated, by the dotted line y y, Fig. l.

Similar letters of reference designate corre-l sponding parts in all the figures.

A -designates the frame of the machine. It consists, essentially, of two side pieces a a2 and cross-pieces or stretchers as.

B designates a needle-bar extending between the side pieces a a2 of the main frame. It has any number of needles secured to it. These needles are shown as arranged in a single row. Attached to the needle-bar are upwardly-extending rods b. The side pieces a er? of the main frame are provided with long horizontally extending arms a4. Between the free ends of these arms a4 a crossbar a5 is secured. Brackets a6 are secured to this cross-bar a5. The rods b, attached to the needle-bar, are fitted in these brackets and guided thereby when the needle-bar is vertically reeiprocated. Y

O designates a rock-shaft provided with arms c, to which are connected at one end links c. These links at the otherend are pivotally connected to collars c2, which are fastened ,ppon the guide-rods b of the needle bar. It will be apparent that when the rockshaft is turned or oscillated it will impart a vertical reciprocation to the needle-bar and needles.

The rock-shaft C is provided at one end with an arm c",to which is pivotally connected a link c5. This link c5 is at the other end connected to a disk c, afiixed to a shaft D, which constitutes the main shaft of the machine, being provided with fast and loose pulleys in order that rotary motion may be conveniently transmitted to it as desired. l

Vith the needles suitable looping or shuttle mechanism is combined. I have shown a shuttle'mechanism consisting, essentially, of l race-bars E, shuttle-driver rods E', adapted to reciprocate between the race-bars and re- 6o ciproeate the shuttles between the race-bars, and links E2, connecting the shuttle-driver rods with anV oscillating lever E3. This lever is composed of arms arranged out of line upon a rock-shaft e. The lever E3 is oscillated by 65 means of an eccentric and eccentric-rod El. This eccentric is affixed to the main shaft D.

G designates a carriage, upon which,in the present example of my improvement, the fabrics to be quilted are supported. This, car- 7o riage consists, essentially, of two side pieces, g g2and cross-bars or stretches g3. The side pieces of the main frame are provided with shears or ways a7. The side pieces g "q2 of the carriage G engage with these shears or ways, and the carriage is therefore adapted to slide in the direction of the length of the side pieces of the main frame, or, in other words, transversely to the length of the needle-bar and row of needles. Y 8o I have indicated the fabric to be quilted by a heavy dotted line II in Fig. 3, and I have shown the said fabric in Fig. l with the ends broken away. It is marked H in Fig. l.

The fabrics to be quilted pass between pairs of rollers I I', arranged at the ends of the upper portion of the carriage. One of the rollers of each pair is preferably made adjustable toward its fellow in a well-known manner. The rollers I serve to impart mc- 9o tion to the fabric. The rollers I', however, simply hold it under tension. The rollers constituting each pair are geared together. Motion is imparted to the rollers I by a gearwheel 1l, engaging with the gear-wheelrof the 95 nearest roller of this pair. The gear-wheel i is supported in the carriage G, so as tobe free to rotate, but so as to be-incapable of any other motion independently of the carriage.

A shaft c" passes through the gear-Wheel vIoo This shaft is grooved and the gear-wheel z' is secured to it by means of a spline or feather. Motion of the gear-wheel with the carriage lengthwise of the shaft t is thus permitted. The shaft t" is connected by bevel-gearing to a shaft i?, which derives motion through a pawl-and-ratchet movement from the main shaft D. The shaft i2 is connected by gearwheels with the shaft t3. The latter carries a ratchet i4. A pawl i5, which engages with the ratchet, is carried by an arm t6, and an eccentric and eccentric-rod t1, combined with the main shaft D, operate the pawl. The shaft i2 receives motion from the shaft 0'3, not by having the latter geared directly to it, but through the intervention of a gear-wheel is, which is supported upon a swinging frame. The swinging frame renders it possible to employ an intermediate gear-wheel of any desired size for any particular work.

The carriageG is reciprocated under the v arms a4 and beneath the needles by means of screws J, supported in bearings, one on each of the side pieces of the main frame of the machine and extending lengthwise thereof. These screws engage with nuts J', connected to the side pieces g g2 of the carriage. The screws are provided at one end. with bevelgears j, engaging with bevel-gears j', mounted upon a shaft ,72. This shaft ,i2 is rotated by a pawl-and-ratchet movement,which I will now describe.

10 102 designate ratchet-wheels affixed to the shaft jz. Their teeth extend in reverse directions. 10S 104 design ate pawls operating in conjunction with these ratchet-wheels. The pawls are pivotally connected to rods 105116, -mounted loosely upon the shaft 3'2, so as to be free to turn upon the same. The rods 105 106 are connected by a cross-rod 107, so that they in eect constitute one rod or frame. An eccentric 10S upon the main shaft D has its rod connected to the rod 107, so as to oscillate the rods 1f.5 106 to cause the pawls 103 1:4 to play over the ratchet-wheels 1c The pawls 103 101 have combined with them lifters 161 1010, consisting of levers loosely mounted upon the shaft These levers are independently oscillated. When one is oscillated into a position to lift its pawl out of engagement with the ycorresponding ratchet-wheel, the other will be oscillated to occupy a position in which it will not interfere with the .coaction of its pawl with the corresponding ratchetwheel, so as to rotate the shaft The lifters 1t? 1010 are connected by links 1011 1012 with slider-bars 1013 1c14. These slider-bars are supported by the main frame of the machine. Motion is imparted to them in one direction by springs 1015, and in the other direction by cams '1017 1018, mounted upon a shaft K, supported by the side pieces of the main frame 4of the machine. The peripheries of the cams 1017 16111A severally consist of two approximately semicircular portions, one being larger than the other. During one half of the rotation of each cam it maintains its slider-bar in its rearmost position, and thereby keeps the corresponding lifter in a position toldisen'gage the corresponding pawl from its ratchet- Wheel, and during the other half of its rotation itwill allow its slider-bar to occupy its forward position,wh erein it leaves the corresponding pawl free to operate with its ratchet-wheel. Each cam has combined with it a sector-shaped plate 1016. Such plate is loosely mounted upon the shaft K and clamped against its cam by means of a screw 1019 or' .other suitable device.

By slackening the clamping device the plate may be adjusted rotarily of the shaft .to form a greater or less prolongation of the peripheral portion of larger diameter of the cam. `Wfhen the pawl 103 coacts with its ratchet-wheel 10 the shaft j? is rotated in one direction and the worksupporting carriage is moved in one direction. When the pawl 1.o4 coacts with its ratchet-wheel 102, it rotates the shaft jz in the reverse direction and also moves the carriage in the reverse direction. Y The adjustable sector-shaped plates, by affording provision for prolonging the length of the approximately semicircular portions of the cams which are the larger indiameter enables the lengt-h of the travel of the carriage to be varied in either direction.

I will now explain how the shaft K is rotated. The main shaft D, through an eccentric and eccentric-rod o, which are combined with it, oscillates a lever o', loosely mounted upon a shaft 02. On the shaft o2 is a ratchet 03. A pawl o1, carried by the lever 0, engages with the ratchet o3, and through it imparts a rotary motion to the shaft o2. The shaft o2 has affixed to one end a gear-wheel 05. This engages with a gear-wheel o6, mounted upon a stud, with which an adjustable hanger o7 is provided. On the stud/is also mounted a gear-wheel o8, which rotates with the gearwheel o6 and engages with a gear-wheel 09, affixed to the shaft K. The stud upon which the gear-wheels o6 os are mounted is adjustable-in a slot lengthwise of thehanger o".

The hanger is mounted loosely uponthe shaft.

K and secured in position by a screw or like device 010, passing through a slot in it and engaging with a tapped hole in the main frame of the machine. By theemployment of this hanger gear-wheels of different sizes may be arranged upon the said stud to produce any desired speed in the motion of the shaft K.

In pending applications, serially numbered, respectively, 199,412, 263,559, 263,560, and 286,110, I show and claim mechanism similar to that shown but not claimed herein.

What I claim as my invention, and desire to secure by Letters Patent, is-

l. In a quilting-machine, the combination of a movable carriage, a screw for imparting motionto the carriage, reversely-set ratchetwheels having operative connection with the screw, a rod or arm, pawls upon the rod or arm, lifters coacting with the pawls, and revolving cams having adjustable portions for IOO ITO

420,276 a Y s prating the litters, substantially as speci-` 2. In a quilting-machine, the combination of a movable carriage, a screw formimparting motion to the carriage, reversely-set ratchet- Wheels having operative connection with the screw, a rod or arm,V pawls upon the rod or arm, lifters coacting with the pawls, cams for operatingthe lifters, and an adjustable sectorshaped plate combined with one of the cams, substantially as specified.

3. In a quilting-machine, the combination of a movable carriage, a screw for imparting motion to the carriage, reversely-set ratchet- Wheels, a rod or arm, paWls upon the rod or arm, litters coacting with the pawls, cams having a slide connection for operating the 

